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Finding the Fourth Proportional to 604,936.98, 907,488.51 and 205,470.51

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Solution

The fourth proportional to 604,936.98, 907,488.51 and 205,470.51 is: 308,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,936.98 : 907,488.51 = 205,470.51 : x
  2. Step 2: Convert to fraction form
    604,936.98/907,488.51 = 205,470.51/x
  3. Step 3: Cross multiply
    604,936.98x = 907,488.51 × 205,470.51
  4. Step 4: Simplify right side
    604,936.98x = 186,462,126,968.84
  5. Step 5: Solve for x
    x = 186,462,126,968.84/604,936.98
  6. Step 6: Final answer
    x = 308,233.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.